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Float levels and again

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03 Jan 2021 08:55 #841111 by Ninja
Float levels and again was created by Ninja
Hi all
Just setting float levels, replaced float valves ect, carbs cleaned all jets clear, set floats (dry) 25mm (without gasket) and then checked (wet)
as per manual, all need tweaking, 2 of the fuel float tangs needed quite a bit of adjustment to the point of slowing the fuel, compered to the other two even though they all arrived at the level spec, doesn't look right and I'm not altogether happy, any views?
Cheers.

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03 Jan 2021 09:45 #841114 by Mikaw
Replied by Mikaw on topic Float levels and again
The float needle and seat are a matching set. Did you make sure to keep them together? Did you use original Mikuni Parts? Are the floats installed correct? Did you get all the same size float needle and seat size?

Need more info to help.

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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03 Jan 2021 09:55 #841115 by Ninja
Replied by Ninja on topic Float levels and again
Hi yes all matched parts, floats fitted correctly ect.

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03 Jan 2021 10:02 #841116 by Mikaw
Replied by Mikaw on topic Float levels and again
I’m on my 4th set rebuild. I have had to bend the tang what I thought was excessive but never did it reduce flow. Something must be wrong.

Again without more info we can guess all day. Try posting some pictures

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
The following user(s) said Thank You: Ninja

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03 Jan 2021 11:00 #841122 by kevski
Replied by kevski on topic Float levels and again
Do all the float valves have the fibre washer on them, also are the brass parts of the float all the same and not bent where they shouldn't be.
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03 Jan 2021 13:01 #841127 by Ninja
Replied by Ninja on topic Float levels and again
Will check condition of floats as it looks like they've been apart a few times. ☹️

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04 Jan 2021 09:12 #841179 by Ninja
Replied by Ninja on topic Float levels and again
Checked floats, a couple of crooked ones, sorted it and went through levels again, all around 4mm below carb body fitted carbs bike would start, low fuel maybe, off they came and checked no 1 looks good will check the rest again, I'm going on the hayness spec.

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04 Jan 2021 09:15 #841181 by Ninja
Replied by Ninja on topic Float levels and again
A shot of the fuel level.
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  • hardrockminer
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04 Jan 2021 09:34 - 04 Jan 2021 09:38 #841182 by hardrockminer
Replied by hardrockminer on topic Float levels and again
That looks more like 6 mm to me. You should be measuring to the bottom of the miniscus, not the top.

This is a much better (and easier) method for checking fuel level.

www.kzrider.com/forum/forum-index/3-carb...n-setting-fuel-level

I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.
Last edit: 04 Jan 2021 09:38 by hardrockminer.
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04 Jan 2021 12:04 #841185 by kevski
Replied by kevski on topic Float levels and again
Fuel level to low, the white line is at about 3mm, and the white line on the tube is where on the liquid you should reference from.
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05 Jan 2021 15:43 #841214 by JR
Replied by JR on topic Float levels and again
The only way to measure is with a ruler. Eyeball does not work. I learned that the hard way.

1980 kz750E1, Delkevic exhaust
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